Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
17453 (1990 RQ9)
Classification: Main-belt Asteroid          SPK-ID: 2017453
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959591103341263 9.5326e-08  
a 2.289429732756784 1.6739e-08 AU
q 1.840795119153268 2.1539e-07 AU
i 5.823670137127724 9.1757e-06 deg
node 208.7389403370995 5.9311e-05 deg
peri 134.701525852249 6.1838e-05 deg
M 356.3657749884107 2.08e-05 deg
tp 2457013.273170729617
(2014-Dec-21.77317073)
7.3183e-05 JED
period 1265.288045731426
3.46
1.3876e-05
3.799e-08
d
yr
n .2845201938123857 3.1203e-09 deg/d
Q 2.7380643463603 2.0019e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      10220 days (27.98 yr)  
   first obs. used      1986-06-26  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54283  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:29:19  

Additional Information
 Earth MOID = .83951 AU 
 T_jup = 3.567 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO266048  

17453 (1990 RQ9)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RQ9 = 1999 CN69 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-21 16:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin